<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>赋值运算符</title>
    <script>
        /* 赋值运算符 */
        /* 
        =
        可以将符号右侧的值赋给符号左侧的变量
        +=
        a+=5等价于a = a+ 5;
        -+
        a-=5等价于a = a -5;
        *=
        a*=5等价于a = a * 5;
        /=
        a/=5等价于a = a / 5;
        %=
        a%=5等价于a = a % 5；
        */
        var a = 10;
        //+=
        //a = a+5;
        a += 5; //等同于上一句
        a -= 5;

        a %= 3;
    </script>
</head>

<body>

</body>

</html>